Brother HL-2600CN Service Manual page 329

Error Code
Scanner Unit
Concerned Part
Confirm the connection of an scanner unit connector.
Is the connector LCN3 properly connected ?
Is the connector PDCN properly connected ?
Are the connector LCN1 and LCN properly connected ?
Replace the scanner unit.
Is LL error cleared ?
Replace the MCTL PWB 2 or
DC power supply (LVPS).
LL
YES
NO
MCTL
LCN
NO
Connect the connector properly.
Is LL error cleared ?
NO
YES
LDU
LCN3
PD
PDCN
3
20
LCN1
YES
Job is complete.
Scanner Unit
5
SM